:root {
  --ink: #17233c;
  --ink-soft: #58657c;
  --paper: #f6f8fc;
  --card: #ffffff;
  --line: #dbe2ee;
  --gold: #f2c15f;
  --subject: #3f51a3;
  --subject-soft: #eef0ff;
  --page-gutter: clamp(1rem, 4vw, 4.5rem);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 35, 60, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 28px;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 0.7rem var(--page-gutter);
  color: white;
  background: var(--ink);
  border-bottom: 2px solid var(--gold);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 700;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  color: var(--ink);
  background: var(--gold);
  border-radius: 0.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
}

.subject-count {
  color: #dfe5f0;
  font-size: 0.85rem;
}

main {
  flex: 1;
  width: 100%;
  padding: clamp(2rem, 7vw, 5rem) var(--page-gutter) 4rem;
}

.intro,
.subjects {
  width: 100%;
}

.intro {
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: #8d3549;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
.subject-card strong {
  font-family: Georgia, "Times New Roman", serif;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 4.8rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.intro > p:last-child {
  max-width: 42rem;
  margin: 0.8rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.subjects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.subjects h2 {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.subject-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.4rem);
  width: 100%;
  height: 100%;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 5px solid var(--subject);
  border-radius: 1rem;
  box-shadow: 0 12px 36px rgba(23, 35, 60, 0.07);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.subject-card + .subject-card {
  margin-top: 0;
}

.subject-card--religions {
  --subject: #8d5c22;
  --subject-soft: #fff4df;
}

.subject-card--catechism {
  --subject: #326b58;
  --subject-soft: #e9f7f1;
}

.subject-card--new-testament {
  --subject: #7b3d61;
  --subject-soft: #faedf5;
}

.subject-card--comparative {
  --subject: #8a3f38;
  --subject-soft: #fcefeb;
}

.subject-card:hover,
.subject-card:focus-visible {
  border-color: #9ca8bd;
  border-left-color: var(--subject);
  box-shadow: 0 18px 45px rgba(23, 35, 60, 0.12);
  outline: none;
  transform: translateY(-2px);
}

.subject-card__mark {
  display: grid;
  place-items: center;
  width: clamp(3.2rem, 8vw, 4.5rem);
  aspect-ratio: 1;
  color: var(--subject);
  background: var(--subject-soft);
  border-radius: 0.85rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
}

.subject-card__content {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.subject-card__meta {
  color: var(--subject);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.subject-card strong {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
}

.subject-card__content > span:last-child {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.subject-card__arrow {
  color: var(--subject);
  font-size: 1.8rem;
  transition: transform 160ms ease;
}

.subject-card:hover .subject-card__arrow,
.subject-card:focus-visible .subject-card__arrow {
  transform: translateX(0.25rem);
}

footer {
  width: 100%;
  padding: 1.2rem var(--page-gutter);
  color: #d3dbea;
  background: var(--ink);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .subjects {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding-block: 0.55rem;
  }

  .subject-count,
  .brand > span:last-child {
    font-size: 0.78rem;
  }

  .subject-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .subject-card__arrow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

.subject-card--passed { border-left: 6px solid #269654; }
.subject-status { font-size: .8rem; color: #42644f; }